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| Ordering number : EN1844C Monolithic Linear IC LA1800 FM/AM Single-Chip Radio Functions Package Dimensions * FM : Front end, low-pass filter, IF amp, quadrature unit : mm detector, muting. 3059-DIP22S * AM :RF amp, detector. * AM :AF driver (earphone driver). 22 [LA1800] 12 7.62 6.4 Features * Minimum number of external parts required : One tuning circuit each for FM, AM * Low current dissipation : 5.6mA/FM, 3.2mA/AM * Low-voltage operation : VCC min=2.5V 1 21.2 11 0.51min 3.3 3.9max 3.25 0.95 0.48 1.78 1.7 SANYO : DIP22S Specifications Maximum Ratings at Ta=25C Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Pin 3 Conditions Ratings 6.0 200 -20 to +70 -40 to +125 Unit V mW C C Operating Conditions at Ta=25C Parameter Operating voltage range Symbol VCC op Conditions Ratings 3.0 2.5 to 5.0 Unit V V Recommended operating voltage VCC Operating Characteristics at Ta=25C, VCC=3V, See Test Circuit Parameter [AM] Current drain Pin 2 voltage Pin 14 voltage Pin 21 voltage [FM] Current drain Pin 2 voltage Pin 4 voltage Pin 5 voltage Icco V2 V4 V5 1.9 1.7 1.7 5.6 2.6 2.3 2.3 8.0 2.9 2.9 2.9 mA V V V Icco V2 V14 V21 1.9 0.4 0.6 3.6 2.4 0.9 0.9 5.5 2.9 1.6 1.2 mA V V V Symbol Conditions min Ratings typ max Unit Continued on next page. SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 12798HA (KT)/D101TH/N03TA/9037AT/7095MW, TS No.1844-1/8 0.25 LA1800 Continued from preceding page. Parameter Pin 6 voltage Pin 7 voltage Pin 8 voltage Pin 9 voltage Pin 10 voltage Pin 13 voltage Pin 14 voltage Pin 16 voltage Pin 17 voltage Pin 19 voltage Pin 20 voltage [AF] Pin 11 current Pin 12 voltage I11 V12 0.5 1.0 0 1.5 0.5 mA V Symbol V6 V7 V8 V9 V10 V13 V14 V16 V17 V19 V20 0.5 1.6 1.6 0.6 0.6 Conditions min 1.1 1.1 1.1 1.9 1.8 Ratings typ max 1.7 1.7 1.7 2.6 2.5 0 1.0 2.3 2.3 0.86 0.86 2.3 2.3 2.3 2.9 2.9 0.6 1.7 2.9 2.9 14 14 Unit V V V V V V V V V V V [Reference characteristics] Operating Characteristics at Ta=25C, VCC=3V, See Test Circuit 2 Parameter [AM : fC=1MHz, fm=400Hz] Current drain Detection output Signal to noise ratio [FM : fC=90MHz, fm=400Hz] Current drain Input limiting sensitivity Demodulation output Total harmonic distortion Signal to noise ratio [AF : fm=400Hz] Voltage gain Total harmonic distortion VG THD VO=50mV VO=50mV 24 0.3 dB % Icco -3dBL.S. VO THD S/N Quiescent 3dB down, 30% mod VIN=80dB, 30% mod VIN=80dB, 30% mod VIN=80dB 5.6 16 90 0.8 59 mA dB mV % dB Icco VO1 VO2 S/N Quiescent VIN=40dB, 30% mod VIN=70dB, 30% mod VIN=70dB, 30% mod 3.6 10 100 47 mA mV mV dB Symbol Conditions min Ratings typ max Unit Note : 1. Current drain for FM, AM includes current of AF driver stage. 2. When handling the IC, be careful not to cause dielectric breakdown. Allowable power dissipation, Pd max - mW Ambient temperature, Ta - C No.1844-2/8 LA1800 DC Test Circuit AC Test Circuit Unit (resistance : , capacitance : F) Equivalent Circuit Block Diagram Unit (resistance : , capacitance : F) No.1844-3/8 LA1800 Sample Application Circuit Unit (resistance : , capacitance : F) Sample Printed Circuit Pattern (Cu-foiled side) Unit (resistance : , capacitance : F) No.1844-4/8 LA1800 MW Superheterodyne Use Variable capacitor L1 T1 T2 T3 B.P.F. 2LXT-L HH-40947 HW-40217 HW-40194 HW-50005 SNY-074-2005 Mitsumi Mitsumi Mitsumi Mitsumi Mitsumi Sumida Unit (resistance : , capacitance : F) Noise, AM-out, AF-out, THD - Input Input=80dB V13 min Noise Input - dB No.1844-5/7 Total harmonic distortion, THD - % Noise, AM-out, AF-out - dBm LA1800 Noise, AF-out - Input AM Band Characteristic Waveform distortion increased Noise, AM-out, AF-out - dBm 20 Sensitivity - dB mV se ns No 10 iti MW band vit y ise mV se ns iti vit y Input - dB/m AM Selectivity Receiving frequency - Hz AM Selectivity Output=20mV const. Response - dB THD - VO Total harmonic distortion, THD - % Gain 23dB Output=50mV Input=3.5mV FM VCC Characteristic Current dissipation, ICC - mA Output, VO - mV FM VCC Characteristic Quiescent noise, Demodulation output - dBm Supply voltage, VCC - V AM VCC Characteristic -3dB limiting sensitivity - dB Detection output Quiescent noise Current drain, ICC - mA Supply voltage, VCC - V Supply voltage, VCC - V Response - dB No.1844-6/8 LA1800 AM VCC Characteristic Detection output Power VCC Characteristic Total harmonic distortion, THD - % THD=output 50mV Gain 10mV sensitivity - dB Detection output - dBm 10mV sensitivit y Supply voltage, VCC - V Superheterodyne System AM Characteristic Gain - dB Supply voltage, VCC - V Superheterodyne System AM Characteristic Maximum sensitivity - dB/m Response - dB Output=10 mV const. Tracing at 600, 1400kHz Superheterodyne System AM Characteristic Maximum sensitivity - dB/m Unit (resistance : , capacitance : F) Supply voltage, VCC - V No.1844-7/8 LA1800 Superheterodyne System AM Characteristic Detectio Unit (resistance : ) n output Input - dB/m No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibilty for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 1998. Specifications and information herein are subject to change without notice. No.1844-8/8 Total harmonic distortion, THD - % Noise, Detection output - dBm No ise |
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